doc: add ospfclient(8) and watchquagga(8) man pages

Taken from Fedora packaging.

Signed-off-by: David Ward <david.ward@ll.mit.edu>
Signed-off-by: David Lamparter <equinox@diac24.net>
diff --git a/doc/ospfclient.8 b/doc/ospfclient.8
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+.\" This file was originally generated by help2man 1.36.
+.TH OSPFCLIENT "1" "July 2010"
+.SH NAME
+ospfclient \- an example ospf-api client
+.SH SYNOPSIS
+.B ospfclient
+.I ospfd
+.I lsatype
+.I opaquetype
+.I opaqueid
+.I ifaddr
+.I areaid
+.SH DESCRIPTION
+.B ospfclient
+is a an example ospf-api client to test the ospfd daemon.
+.SH OPTIONS
+.TP
+.I ospfd
+A router where the API\-enabled OSPF daemon is running.
+.TP
+.I lsatype
+The value has to be either "9", "10", or "11", depending on the flooding
+scope.
+.TP
+.I opaquetype
+The value has to be in the range of 0\-255 (for example, experimental
+applications use
+.I opaquetype
+larger than 128).
+.TP
+.I opaqueid
+Arbitrary application instance (24 bits).
+.TP
+.I ifaddr
+Interface IP address for type 9, otherwise it will be ignored.
+.TP
+.I areaid
+Area in the IP address format for type 10, otherwise it will be ignored.
+.SH "SEE ALSO"
+.BR ospfd (8).
+.SH AUTHORS
+See the project homepage at <http://www.quagga.net/>.